hooper



(No Model.) 2 Sheets-Sheet 1. G. H. HOOPER, ORE GONGBNTRATOR.

Patented Aug. 14,1894.

INVENTOH WITNESSES:

A 77'0HNEYS.

TN! uonms vzreas no puma-mun" msmumou. n. c.

1 UNITED STATES PATENT OFFICE.

GEORGE H. HOOPER, OF HAGUE, NEW YORK.

,ORE-CONCENTRATO R.

SPECIFICATION forming part of Letters Patent No. 524,592, dated August 14, 1894.

Application fi January 31, 1894. Serial No. 498,585. (No model.)

To aZZ whom it may concern/.-

Be it known that I, GEORGE I-I. HooPER, of

Hague, in the county of Warren and State of in a body of water, whereby the cleaned minerals will be directed to one end of the sieve, a vanning action will be obtained and the refuse material fed to an overflow at the opposite end of the sieve.

A further object of the invention is to provide the sieve with a solid overflow at one end, an outlet for washed minerals at the opposite end, and a screening section interposed between the two, and furthermore to provide an elevator located beneath the screening section of the sieve, whereby material passed through said section may be conveyed from the machine for furthertreatn ment if desired, the ore to be concentrated being fed upon the screen between the overflow and the delivery ends, nearer the former than to the latter.

The invention consists in the novel construction and combination of the several parts, as will be hereinafter fully set forth and pointed out in the claims.

Reference is to be had to the accompanying drawings, forming a part of this specification,

in which similar figures and letters of reference indicate corresponding parts in all the views.

Figure 1 is apartial side elevation and partial vertical section through the improved concentrator. Fig. 2 is a detail view of the adjustable axial support for the sieve or screen. Fig. 3is a plan view of the machine;

and Fig. 1 is an end view partially in section.

The body of the machine A consists of a tank or receptacle adapted to contain water, and from the said body, preferably at the sides thereof standards 10, are projected upward, being connected at each side of the machine by beams 11 or their equivalents. A

sieve or screen B, is located in the box or tank A near the top of the latter, and this screen or sieve consists of a front bar 12, side pieces 13,secured to said bar, and a cross bar 14, located between the center and rear end of the frame of the sieve, upon which cross bar a bridge let, is constructed, said bridge preferably consisting of a series of strips of material placed one upon the other and secured by bolts or the equivalents thereof. The said bridge 14. acts in the capacity of a dam, and is located adjacent to a bottom board 15 attached to the side pieces 13 of the frame of the sieve at the rear end there0f,the said bottom 15 constituting a solid overflow or conductor for the waste water and material from the sieve or screen, the bridge or dam 14 regulating the height at which the water shall come in the remaining portion of the sieve; and it will be readily understood that by removing one or more of the strips of which the dam is constructed the level of the water in the body of the sieve or screen may be increased or decreased as desired.

1 The screening or sieving surface 16 of the screen is located between the dam l4 and the front or end board 12 of the frame, and the material employed for this purpose may be either reticulated or perforated, and-of a mesh suitable for the material to be treated. The front end board 12 of the sieve or screen is provided with an outlet 17, located about on a level with the top of the screening material 16, andthe said opening 17, is controlled by a gate 18, held to slide upon the inner face of the screen frame.

The screen or sieve is pivoted in an adj ustable manner at the rear portion of the body of the machine, and this attachment is accomplished in the following manner: Vertical hangers 19, are secured upon the rear end of the box or tank A at suitable intervals apart, and the said hangers, as shown in Fig. 2, are bifurcated at their upper ends, forming thereby two members with an opening between them. The similar hangers 20, are secured upon the rear end of the sieve or screen, one ateach side, and in each hanger 19 and a box 21, is held to slide, and the said boxes, as shown in Fig. 4, consist preferably of two side plates 21, and a body connecting the plates, the body portion of the boxes being adapted to slide in the space between the members of the hangers. The boxes are held in predetermined positions upon their hangers preferably through the medium of set screws 21, which are passed through the plates 21 of the boxes into the members of the hangers. The boxes are adapted to journal a shaft 22, as shown best in Fig. 4; therefore it will be observed that the sieve or-screen at its rear end'haspivotal or rocking support, and the shaft 22 through which it is suspended may be adjusted upward or-downward so as to increase or decrease the lateral throw of the screen.

The screen is supported at its forward end preferably by two links 23 and 24, which are connected by a turn-buckle 25 in order that more or less of an inclination may be given to the forward end of the sieve. The upper link is connected with a head block 26, as shown in Fig. 1, which has cam or eccentric connection with a drive shaft 27, journaled upon the upper portion of the machine, transversely thereof, the said drive shaft, as shown in Fig.3, being preferably provided at one end with a balance wheel 28, and at the opposite end with fast and loose pulleys 29 and 30. These pulleys are'connected by a belt 31 with a main driving pulley 32, upon a main drivingshaft 33, preferably journaled at the opposite upper end'of the machine, the main driving belt 34, being carried from any de-I sired source of power to preferably a cone pulley 35 located on said shaft 33. Thus it will be observed that when the shafts 27 and 33 are in motion the sieve will be given a jigging vertical movement and at the same time a lateral or horizontal movement, the throw of the latter being regulated by the adjustment of the pivot of the screen. Owing to this action the material to be concentrated is fed through a trough 36 and delivered upon the screen at 7 a point slightly forward of the dam 14 and since the screen moves in a body of water contained in the tank the jigging action thoroughly washes the ore fed to the screen, while the'lateral movement will cause the ore or mineral to be gradually fed to the forward end of the screen or sieve, while the waste will pass in an opposite direction to the overflow end, and after passing the dam 14 will find an exit at the rear end of the machine. Thus the waste and the mineral move in opposite directions, and one in no sense interferes Withthe other, while the screened material will pass downward into the water below the screen and will be conducted by an inclined platform 37, shown in Fig. 4, to one side of the boxor tank A, and delivered to an elevator or conveyer O, which is driven by a belt 38 preferably from the shaft 33, and the said conveyor or elevator at its upper end is located outside of and above the tank A,

whereby it will deliver the material conveyed to it in a manner to enable said material to be delivered to a second machine, or otherwisedisposed of in any convenient manner.

In order that the screen or sieve may have lateral movement and at thesame time a water-tight connection be maintained between the opening 40 in the rear of the box through which it passes and the bottom of the screen, the said opening is covered by a strip 41 of leather or like material suitably shaped and shown best in Fig. 4, the said strip being secured to the tank at the margin of the opening 40'by means of a metal plate 42, and the:

leather strip is secured in like manner to the rear portion of the sieve, the latter plates being designated as 43. When the cleaned mineral is drawn off from the screen or sieve through its forward opening 17, said mineral is conducted to a faucet 44 of anyapproved construction located in the upper forward portion of th e tank through the medium of a partition 45 of a yielding material such as leather, said partition being attached to the inner wall of the front portion of the tank and to the bottom of the sieve or screen frame, the partition shown in Fig. 3 extend ing practically from side to side of the tank, or from one side of the tank to the opposite side of the screen'franie. I

It will be understood thatthe mineral may be either drawn 0%, or removed by hand while the machine is inoperation, and that a suitably located pipe is employed to supply water to the tank A, as for example as shown at 45 in Fig. 1.

Having thus'described my invention, I I

claim as new and desire to secure by Letters Patent- 1. In an oreconcentrator, a jigging screenhaving side bars, a front end bar provided with a mineral outlet, a waste overflow or chute-at the rear end of the screen, a sieve or screen between said end bar and chute about on a level with said mineral outlet and a dam at the juncture of the sieve or screen and the said overflow.

2. The combination with thetank having an opening in its rear end, a Vertically rocking screen having its overflow'end passing through said opening, a watertight flexible connection between the screen and the marginal edges of the said opening, a mineral outlet inthe front wall of the screen about on a level with the screening surface and a dam att-he juncture of said screening surface and the overflow, substantially as described.

3. The combination with the tank having an opening in its rear end and a mineral outlet in its front end, of a vibrating'screen having a mineraloutlet in its front end'and having a flexible connection leading therefrom to the first named mineral outlet, the opposite or overflow end of the screen extending through the rear tank opening and having a watertight flexible connection'with the margin thereof, the screening surface being in- IEO terposed between the inner end of said overflow and the front end of the screen, substantially as described.

4. In an ore concentrator, the combination, with a tank adapted to contain a body of water, hangers located at one end of the tank, and a shaft vertically adjustable in said haugers, of a screen or sieve open at one end and provided at its open end with an overflow comprising a solid bottom and a variable dam adjacent to the bottom, the said screen being provided with a mineral outlet at its opposite end and a screening surface between said outlet and the dam, hangers attached to the overflow end of the screen, having adjustable connection with the shaft located on the tank, said shaft forming a pivotal or rocking bearing for the overflow end of the screen, a drive shaft, an. adjustable link connection between the end of the screen in which the mineral outlet is located and the drive shaft, and means, substantially as shown and described, for imparting jigging motion to the links from the drive shaft, as and for the purpose set forth.

5. In an ore concentrator, the combination, with a tank adapted to contain water, a screen or sieve located in the tank, having adjustable connection with the tank at its rear end, the connection being effected above the sieve, and a jigging mechanism connected with the opposite end of the sieve or screen, said screen or sieve being provided with an overflow at its pivotal end, an ore outlet at its opposite'end, and a screening surface between the two, of a flexible connection between the ends of the sieve or screen and the ends of the tank, a mineral outlet located in the tank and connected with the mineral outlet in the sieve, an elevator located in the tank and extending outwardly therefrom, and means, substantially as described,for direct ing the screened material falling in the tank to said elevator or conveyer, as and for the purpose set forth.

GEORGE I-I. HOOPER.

\Vitnesses: I

WILLIAM HOOPER, JOSEPH Ross. 

